Scoops and other in-use utensils stored improperly (e.g. handle down in the food).
Plumbing not installed or maintained properly — leaks, mop sink issues, unserviced water filters, or missing backflow prevention.
Floors, walls, ceilings, or attached equipment dirty, damaged, or poorly vented.
Employee jackets, phones, drinks, or other personal items stored where they can contaminate food.